class_docstr: Text Processor class implement NER, POS tag, lexical tree parsing.
  EnProcessor is designed by single instance mode.
code: def load_resource(cls):
      if cls.model_manager is None:
          cls.model_manager = ModelManager()
      if cls.nlp is None:
          cls.nlp = spacy.load(
              download_if_needed(MODEL_PATH_WEB) + MODEL_PATH
          )
      cls.initialized = True
  
imports: import re
  import nltk
  import spacy
  import threading
  from functools import reduce
  from spacy.tokens import Doc
  from .nltk_res_load import *
  from ..settings import *
label_desc: Use image node_id 4 for calling the EnProcessor obj's underlying member method code with example usage: obj.load_resource(cls) without return types